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Calcium tungstate CAS#7790-75-2

Calcium tungstate CAS#7790-75-2

Basic Information

Xcellent Optical Performance:Serves as an effective laser host material for a wide range of electronic and optical applications.


Unique Scheelite Crystal Structure:The stable scheelite structure provides reliable physical and chemical properties.


Luminescent Properties:Exhibits strong luminescence, suitable for optical and sensing technologies.


Thermoluminescent Capability:Demonstrates thermoluminescence, making it useful in radiation detection and measurement applications.



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product description

Products Description of Calcium tungstate CAS#7790-75-2

Calcium tungstate (CaWO₄) with a scheelite structure is a functional optical laser host material, possessing luminescent and thermoluminescent properties for diverse electronic uses.


Product Application of Calcium tungstate CAS#7790-75-2

Calcium Tungstate serves as a typical phosphor material. It emits light at 310–700 nm under excitation of 220–300 nm, with a prominent emission peak at 440 nm showing obvious blue light, ideal for optical and luminescent applications.

Product Information

Parameters


Melting point1620°C
density6.06 g/mL at 25 °C (lit.)
storage temp.-20°C
solubilityInsoluble in H{2}O. Decomposes by hot HCl, HNO{3}
formPowder
colorwhite
Specific Gravity6.062
biological sourcerabbit
Water Solubilityinsoluble H2O; decomposed by hot HCl, HNO3 [MER06]
Merck141,712
Solubility Product Constant (Ksp)pKsp: 8.06
Exposure limitsACGIH: TWA 3 mg/m3
NIOSH: TWA 5 mg/m3; STEL 10 mg/m3
InChI1S/Ca.4O.W/q+2;;;2*-1;
InChIKeyFDMFQOCGNBYKPY-UHFFFAOYSA-N
SMILES[Ca++].[O-][W]([O-])(=O)=O
CAS DataBase Reference7790-75-2(CAS DataBase Reference)
EPA Substance Registry SystemCalcium tungsten oxide (CaWO4) (7790-75-2)


Safety Information


WGK Germany3
TSCATSCA listed
HS Code28418030
Storage Class11 - Combustible Solids

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